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EAGLE User Chat (English) ground pour
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Related

ground pour

heedaf
heedaf over 16 years ago

How does one connect the ground pour under a chip with the gnd pin?  I've

got a sot-89 chip and I have the ground pour touching the gnd pin but when I

run the drc it gives me an error saying they are too close?  Any ideas?

Thanks,

DeWayne

 

 

 

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  • autodeskguest
    autodeskguest over 16 years ago

    DR wrote:

    How does one connect the ground pour under a chip with the gnd pin?  I've

    got a sot-89 chip and I have the ground pour touching the gnd pin but when I

    run the drc it gives me an error saying they are too close?  Any ideas?

    Thanks,

    DeWayne

     

     

    The polygon name has to match the net name of the ground pin. That is if

    you added the polygon to the board not the lib part.

    Paul R.

     

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  • heedaf
    heedaf over 16 years ago

     

    "Paul Romanyszyn" <pgr@arcelectronicsinc.com> wrote in message

    news:h068f6$7qr$1@cheetah.cadsoft.de...

    DR wrote:

    How does one connect the ground pour under a chip with the gnd pin?  I've

    got a sot-89 chip and I have the ground pour touching the gnd pin but

    when I run the drc it gives me an error saying they are too close?  Any

    ideas?

    Thanks,

    DeWayne

    The polygon name has to match the net name of the ground pin. That is if

    you added the polygon to the board not the lib part.

    Paul R.

     

    Thanks for the info.  What if I want to do it in the part?

     

     

     

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  • autodeskguest
    autodeskguest over 16 years ago

    DR wrote:

    "Paul Romanyszyn" <pgr@arcelectronicsinc.com> wrote in message

    news:h068f6$7qr$1@cheetah.cadsoft.de...

    DR wrote:

    How does one connect the ground pour under a chip with the gnd pin?  I've

    got a sot-89 chip and I have the ground pour touching the gnd pin but

    when I run the drc it gives me an error saying they are too close?  Any

    ideas?

    Thanks,

    DeWayne

    The polygon name has to match the net name of the ground pin. That is if

    you added the polygon to the board not the lib part.

    Paul R.

     

    Thanks for the info.  What if I want to do it in the part?

     

     

    No clean way in ver 4.xx I have not upgraded to 5.x+ but from what I

    gather in the discussions you can add copper to lib parts but it can't

    be done without DRC errors. You can approve them.

     

    The best no DRC error way it to put the stop mask in the lib and add the

    polygon to cover that area on the board.

    Paul R.

     

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  • firatkocak
    firatkocak over 16 years ago

    Hi,

     

    I have made some DPAK library parts with ground pour defined as gnd. In

    fact, ground pour is defined as a pin with name GND like any others. And

    i have no DRC error. If you give me the part number and the link where

    its datasheet is located, then i may make a library part and send you back.

     

    Firat,

     

    Paul Romanyszyn wrote:

    DR wrote:

    "Paul Romanyszyn" <pgr@arcelectronicsinc.com> wrote in message

    news:h068f6$7qr$1@cheetah.cadsoft.de...

    DR wrote:

    How does one connect the ground pour under a chip with the gnd pin? 

    I've got a sot-89 chip and I have the ground pour touching the gnd

    pin but when I run the drc it gives me an error saying they are too

    close?  Any ideas?

    Thanks,

    DeWayne

    The polygon name has to match the net name of the ground pin. That is

    if you added the polygon to the board not the lib part.

    Paul R.

     

    Thanks for the info.  What if I want to do it in the part?

     

    No clean way in ver 4.xx I have not upgraded to 5.x+ but from what I

    gather in the discussions you can add copper to lib parts but it can't

    be done without DRC errors. You can approve them.

     

    The best no DRC error way it to put the stop mask in the lib and add the

    polygon to cover that area on the board.

    Paul R.

     

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • Cancel
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